<html><head><title>Set a password or lock a role</title><meta name="HandheldFriendly" content="True"></head><body>Set a password or lock a role<br><br><b>alter</b> <b>role</b> role [<b>add</b> <b>passwd</b> "password" | <b>drop</b> <b>passwd</b>] [<b>lock</b> | <b>unlock</b>]</body></html>